校正面不平衡质量
参考答案:
按照矢量相加的平行四边形法则求得的,同一校正面上的静不平衡质量(静不平衡量除以校正半径)和力偶不平衡质量(力偶不平衡量除以校正半径)的合成量。
Now more and more teachers feel _____ tired because of _____ work. [ ]
A. too much, much too
B. much too, too much
C. much too, too many
D. too much, too many
. (3 )
A.
B.
C.
D.